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S21460 Stainless Steel vs. Titanium 6-2-4-2

S21460 stainless steel belongs to the iron alloys classification, while titanium 6-2-4-2 belongs to the titanium alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S21460 stainless steel and the bottom bar is titanium 6-2-4-2.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 46
8.6
Fatigue Strength, MPa 390
490
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 77
40
Shear Strength, MPa 580
560
Tensile Strength: Ultimate (UTS), MPa 830
950
Tensile Strength: Yield (Proof), MPa 430
880

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Mechanical, °C 920
300
Melting Completion (Liquidus), °C 1380
1590
Melting Onset (Solidus), °C 1330
1540
Specific Heat Capacity, J/kg-K 480
540
Thermal Expansion, µm/m-K 18
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
42
Density, g/cm3 7.6
4.6
Embodied Carbon, kg CO2/kg material 3.0
32
Embodied Energy, MJ/kg 43
520
Embodied Water, L/kg 160
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
79
Resilience: Unit (Modulus of Resilience), kJ/m3 460
3640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
34
Strength to Weight: Axial, points 30
57
Strength to Weight: Bending, points 26
46
Thermal Shock Resistance, points 17
67

Alloy Composition

Aluminum (Al), % 0
5.5 to 6.5
Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 17 to 19
0
Hydrogen (H), % 0
0 to 0.015
Iron (Fe), % 57.3 to 63.7
0 to 0.25
Manganese (Mn), % 14 to 16
0
Molybdenum (Mo), % 0
1.8 to 2.2
Nickel (Ni), % 5.0 to 6.0
0
Nitrogen (N), % 0.35 to 0.5
0 to 0.050
Oxygen (O), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 0 to 1.0
0.060 to 0.12
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
1.8 to 2.2
Titanium (Ti), % 0
83.7 to 87.2
Zirconium (Zr), % 0
3.6 to 4.4
Residuals, % 0
0 to 0.4